28/8=12/x

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Solution for 28/8=12/x equation: 


D( x )

x = 0

x = 0

x = 0

x in (-oo:0) U (0:+oo)

28/8 = 12/x // - 12/x

28/8-(12/x) = 0

28/8-12*x^-1 = 0

-12*x^-1 = -7/2 // : -12

x^-1 = 7/24

-1 < 0

1/(x^1) = 7/24 // * x^1

1 = 7/24*x^1 // : 7/24

24/7 = x^1

x = 24/7

x = 24/7

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